UK: France-based Saint-Gobain subsidiary British Gypsum has launched the Gyproc SoundBloc Infinaé 100 gypsum wallboard in the UK. The board is the group’s first to feature 100% recycled gypsum. The producer said that construction firms supply used plasterboard from jobsites as raw materials, by means of British Gypsum’s collection service. The service also covers used adhesives and fillers.